Deanna Troi, unsung feminist and fashion hero of “Star Trek: The Next Generation”

For a show that spent its first 25 years reaching toward socialism and absolute equality with both hands, the physical and semiotic impact of clothing — particularly of uniforms; they’re all military of one kind or another — can’t be overstated. While the intensity of the enduring cosplay world tells us a lot about which costumes, uniforms and details have made the most impact on readers and viewers of genre fiction, comics and television, there is a specificity to “Star Trek” fandom — and fetishism — that speaks to our complicated, long-term relationship with those enduring visuals, the bodies within them, and the highly emotional and gendered response that they still evoke.